401 K 2025 Limits. That's a $500 bump from the $23,000 elective deferral limit for 401(k) plan employee contributions in 2024. The total employee contribution limit to all 401(k) and 403(b) plans for those under 50 will be going up from $23,000 in 2024 to $23,500 in 2025.

The 401(k) contribution limit for 2025 is $23,500, up from $23,000 in 2024. The 401(k) contribution limit increased to $23,500 for 2025, up from $23,000 in 2024.